From Nate:
Lets say you want to know the answer to 8 x 8? (or any N x N)
Well, if you know that 7 x 7 = 49 (or any ((N-1) x (N-1))
you can just add (7 + 8) + 49 = 64 = 8 x 8 (or use any ((N-1) + N)
We tried it for lots of N's & It works!
Nate, you blew our minds when you announced that you had figured out a pattern in numbers one day when riding in the car!
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